/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Math/Krylov.h
namespace Chaos { template<typename Func, class T> void Chaos::LanczosCG ( Func multiplyA, [TArray](API\Runtime\Core\Containers\TArray)< T > & x, const [TArray](API\Runtime\Core\Containers\TArray)< T > & b, const int max_it, const T res, bool check_residual, int min_parallel_batch_size ) }